Yes it could be used for light commercial. Say up to 30- 40 drinks a day. It May not meet all your local codes as far as approval as it is not NSF approved. Ask your permit office and your health inspector if your espresso equipment needs that certification. There has been people who have used for more cups a day but it depends also how many in a row you get and also what size milk based drinks you make. Making a 12 oz latte is easier on machine then making a 20 oz latte.